1. The Great Chicago Fire of 1871 took more lives than any other fire in Chicago history.

2. “Hinky Dink” and “Bathhouse John” were the nicknames of former Chicago baseball players.

3. The Field Museum originated at the World’s Columbian Exposition in 1893.

4. The Jungle by Upton Sinclair is based on the author’s observations of Chicago’s prison system.

5. Chicago’s first skyscraper was 10 stories high.

6. Richard J. Daley was the city’s longest-serving mayor.

7. The Loop in downtown Chicago is named for the square of blocks that were first encircled by streetcars in the 1880s.

8. Gangster John Dillinger was the perpetrator behind the St. Valentine’s Day Massacre.

9. Jane Addams was the city’s first female mayor.

10. The country’s first juvenile court was founded in Chicago.